Vomiting after drinking may be caused by alcohol stimulation of mucous membrane leading to damage, gastritis, gastric ulcer, gastrointestinal dysfunction and other factors. Relief methods are to increase the amount of water consumed, to use medication such as aluminum sulfate, and to seek medical attention when necessary. 1. Increase water intake: Alcohol can be excreted in small amounts through the urine and respiratory tract, so increasing the amount of water intake after drinking a large amount of alcohol will help the excretion of alcohol and relieve vomiting, and you can also choose honey water or glucose water to prevent post-drinking hypoglycemia. 2. Medications: Gastric mucosal protectants such as aluminum sulfate can reduce the stimulation of the gastric mucosa by alcohol and reduce the absorption of alcohol by the stomach, which can relieve post-drinking vomiting appropriately. 3. Timely medical treatment: severe vomiting may lead to gastric hemorrhage, electrolyte disorders, etc., and those with severe symptoms of post-drinking vomiting need to go to the hospital in time for treatment. Drinking plenty of water, using aluminum sulfate and seeking medical treatment can relieve vomiting after drinking and discomfort, but still can not remove the damage of alcohol to the body, it is recommended to avoid drinking alcohol.